Transmission controls
CA 1070524 A · Owner: Borg-Warner Corporation · Inventors: Wayman, Robert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A control mechanism for a planetary overdrive gear mechanism for an automatic transmission which utilizes a double-acting one-way clutch with a clutch controller to immobilize the cage for the one-way clutch to allow inner and outer races to rotate relative to one another and a brake mechanism for the inner race of the clutch which is integral with the sun gear of the gear mechanism The, control mechanism includes a servomotor to activate the controller, a servomotor to operate the brake mechanism a, shift valve responsive to vehicle speed and throttle position to actuate the servomotors, and an interlock activated by the controller servomotor operative to prevent fluid actuation of the …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.